MSDS No.: 266 Revision No.: 005 Revision Date: 08/17/04 Page: 1 of 2

HILTI is a registered trademark of Hilti Corp.

MATERIAL SAFETY DATA SHEET

Product name: CP 601S Elastomeric Firestop Sealant Description: Fire resistant sealant for use in fire rated joint applications Supplier: Hilti, Inc. P.O. Box 21148, Tulsa, OK 74121 Emergency # (Chem-Trec.): 1 800 424 9300 (USA, PR, Virgin Islands, Canada); 703 527 3887 (Other countries)

INGREDIENTS AND EXPOSURE LIMITS

Ingredients: CAS Number: TLV: PEL: STEL: Siloxanes and silicones, di-Me, terminated 068037-58-1 NE NE NE Siloxanes and silicones, di-Me 063148-62-9 NE NE NE Fumed silica 112945-52-5 NA NE NE Methyltrimethoxysilane 001185-55-3 NE NE NE Calcium carbonate 000471-34-1 NA NA NA Organotitanate 083877-91-2 NE NE NE Abbreviations: PEL = OSHA Permissible Exposure Limit. TLV = ACGIH Threshold Limit Value. STEL = Short Term Exposure Limit. NE = None Established. NA = Not Applicable.

PHYSICAL DATA

Appearance: Red paste. Odor: Negligible.

Vapor Density: (air = 1) Not applicable. Vapor Pressure @ 68 F: 23 mbar. Boiling Point: Not applicable. VOC Content: 3.0 g/l

Evaporation Rate: Not applicable. Solubility in Water: Negligible.

Specific Gravity: 1.3 1.4 pH: Not determined.

FIRE AND EXPLOSION HAZARD DATA

Flash Point: > 200 F Flammable Limits: Not applicable. Extinguishing Media: Water, CO2, Dry Chemical, Foam.

Special Fire Fighting Procedures:

A NIOSH-approved self-contained breathing apparatus (SCBA) should be worn when fighting fires involving chemicals.

Unusual Fire and Explosion Hazards:

None known. Product serves as a fire stopping material.

REACTIVITY DATA

Stability: Stable. Hazardous Polymerization: Will not occur.

Incompatibility: Strong acids, peroxides, and amines.

Decomposition Products: Thermal decomposition can yield carbon dioxide and carbon fluoride.

Conditions to Avoid: Avoid contact with chemical products that could affect product use such as solvents, alkalis, acids and mineral oils.

HEALTH HAZARD DATA

Known Hazards: Acute: Irritation is possible. Chronic: None known or anticipated.

Signs and Symptoms of Exposure:

Eyes - Irritation is possible but injury is unlikely. Skin - Slight irritation is possible. Inhalation - No effects expected. Ingestion - Not a likely route of exposure. Effects of ingestion have not been determined. Considered to have a low acute oral toxicity.

Routes of Exposure: Dermal.

Carcinogenicity: No ingredients are classified as a carcinogen by IARC, NTP or OSHA.

Medical Conditions Aggravated by Exposure:

Eye, skin, and respiratory conditions.

MSDS 266, Page 2 of 2

EMERGENCY AND FIRST AID PROCEDURES

Eyes: Immediately flush with plenty of water. Call a physician if symptoms occur.

Skin: Wash with soap and water. Seek medical attention if any effects persist.

Inhalation: If ill effects occur, move victim to fresh air. Give oxygen and/or artificial respiration if needed. Call a physician.

Ingestion: Do not induce vomiting unless large amounts are ingested. If conscious, give plenty of water to drink. Never give anything by mouth to an unconscious person. Contact a physician immediately.

Other: Referral to a physician is recommended if there is any question about the seriousness of the injury/exposure.

CONTROL MEASURES AND PERSONAL PROTECTIVE EQUIPMENT

Ventilation: General (natural or mechanically induced fresh air movements).

Eye Protection: Not required, however, safety glasses should be worn in most industrial settings.

Skin Protection: Gloves are recommended. Cloth gloves are suitable.

Respiratory Protection: None required under normal conditions of use.

PRECAUTIONS FOR SAFE HANDLING AND USE

Handling and Storing Precautions:

Store in a cool dry area. Avoid temperature extremes; recommended storage temperature is between 40 and 77 F. For industrial use only. Keep out of reach of children. Use with adequate ventilation. Practice good hygiene; i.e. wash after using and before eating or smoking.

Spill Procedures: Allow to cure and place in a container for proper disposal in accordance with all applicable local, state, or federal requirements. Not regulated as a hazardous waste according to federal EPA definitions.

REGULATORY INFORMATION

Hazard Communication: This MSDS has been prepared in accordance with the federal OSHA Hazard Communication Standard 29 CFR 1910.1200.

HMIS Codes: Health 1, Flammability 1, Reactivity 0, PPE A

DOT Shipping Name: Not regulated

IATA / ICAO Shipping Name: Not regulated

TSCA Inventory Status: Chemical components listed on TSCA inventory.

SARA Title III, Section 313: This product does not contain any ingredients which are subject to reporting under Section 313 of SARA Title III (40 CFR Part 372).

EPA Waste Code(s): Not regulated by EPA as a hazardous waste

Waste Disposal Methods: Consult with regulatory agencies or your corporate personnel for disposal methods that comply with local, state, and federal safety, health and environmental regulations.

CONTACTS

Customer Service: 1 800 879 8000 Technical Service: 1 800 879 8000

Health / Safety: 1 800 879 6000 Jerry Metcalf (x6704)

Emergency # (Chem-Trec): 1 800 424 9300 (USA, PR, Virgin Islands, Canada); 001 703 527 3887 (other countries)

The information and recommendations contained herein are based upon data believed to be correct; however, no guarantee or warranty of any kind expressed or implied is made with respect to the information provided.